TransformerToys.co.uk has been updated with a new news story called Transformers: Fall of Cybertron G1 Retro Pack.

GameStop and Amazon have revealed their pre-order bonuses for Transformers: Fall of Cybertron. GameStop will be offering a G1 Retro Pack featuring G1 Optimus Prime for single and multiplayer mode, along with G1 Megatron Pistol Gun and Shockwave Blast Cannon for use in single player. Amazon will be offering access to G2 Bruticus in single player. See details below:

There are a couple of additional screen shots of GameStop's G1 Retro Optimus Prime courtesy of EGMNow.com,

Amazon

Pre-order Bonus Offer
Pre-order Transformers: Fall of Cybertron and get access to Bruticus (G2) to use in Single Player mode. A code to access the content will be emailed to you within two days of your order shipment. This offer will be extended to all pre-orders. Offer valid when shipped and sold by Amazon.com, while supplies last. Amazon reserves the right to change or terminate this promotion at any time. Please read the PlayStation Network and Xbox Live terms of use.

GameStop

Bonus Item
Transformers G1 Retro Pack
Pre-order Transformers: Fall of Cybertron and receive the Transformers G1 Retro Pack!

Transformers G1 Retro Pack:
G1 Retro Optimus Prime: Play as the leader of the Autobots in his classic original robot and vehicle forms. Available in both Single and Multiplayer Modes.
G1 Retro Megatron Gun: Single Player Mode
G1 Retro Shockwave Cannon: Single Player Mode

Online Customers: Code will be emailed within 2 business days after your order ships.
Store / In-Store Pickup Customers: Code will be printed on your receipt at time of pickup.